<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>范围</title>
    <script>
        /*console.log(Number.MAX_VALUE);
        console.log(Number.MIN_VALUE);*/

        // alert((-5)%3);
        var a = 1, b = 1;
        console.log(0=='');
    </script>
</head>
<body>

</body>
</html>